IP Library Granted Patent US 9,742,077
Granted Patent B2
US 9,742,077 · App. 13/994,029 · Granted Aug 22, 2017

Mm-wave phased array antenna with beam tilting radiation pattern

Inventor: Helen K. Pan (Saratoga, CA)
Assignee: Intel Corporation
H01Q21/067H01P11/001H01Q1/20H01Q1/2266H01Q1/2291H01Q3/34H01Q3/36H01Q7/00H01Q13/085H01Q13/16H01Q21/0087H01Q21/064H01Q21/24H01Q25/00H04B7/0413H04B7/10Y10T29/49016Y10T29/49018
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Quick Facts
Patent No.
US 9,742,077
App. No.
13/994,029
Granted
Aug 22, 2017
Kind
B2
Abstract

A system according to one embodiment includes a phased array antenna comprising a plurality of antenna elements, the plurality of antenna elements configured in a planar array, wherein each of the plurality of antenna elements generates a beam pattern directed at an angle out of the plane of the planar array; and driver circuitry coupled to each of the plurality of antenna elements, wherein the driver circuitry comprises a plurality of transceivers, the plurality of transceivers configured to provide independently adjustable phase delay to each of the plurality of antenna elements.

Claims (26)

1. A system, comprising:

a phased array antenna comprising a plurality of antenna elements, said plurality of antenna elements configured in a planar array, wherein each of said plurality of antenna elements generates a beam pattern directed at an angle out of the plane of said planar array; and

driver circuitry coupled to each of said plurality of antenna elements, wherein said driver circuitry comprises a plurality of transceivers, said plurality of transceivers configured to provide independently adjustable phase delay to each of said plurality of antenna elements;

wherein:

said system is configured to operate in a millimeter wave frequency range;

each of said plurality of antenna elements is a rectangular slot loop antenna that includes a ground plane and comprises a front edge element, a rear edge element and a signal delay element coupled between said front edge element and said rear edge element; and

said signal delay element is configured to cause a respective one of said plurality of antenna elements to generate said beam pattern directed angle.

2. The system of claim 1 , wherein said beam pattern directed angle of each of said plurality of antenna elements is approximately 45 degrees.

3. The system of claim 1 , wherein said ground plane is parallel to said plane of said planar array.

4. The system of claim 1 , wherein said plurality of transceivers implement phased array beam scanning by controlling said adjustable phase delay to each of said plurality of antennas.

5. The system of claim 1 wherein said beam pattern directed at an angle out of the plane of said planar array extends a directionality of Radio Frequency (RF) spatial coverage.

6. A method, comprising:

configuring a plurality of antenna elements in a planar array, wherein said planar array is a phased array antenna and each of said plurality of antenna elements is a rectangular slot loop antenna that includes a ground plane and comprises a front edge element, a rear edge element and a signal delay element coupled between said front edge element and said rear edge element, said signal delay element configured to cause a respective one of said plurality of antenna elements to generate a beam pattern directed at an angle out of the plane of said planar array;

coupling driver circuitry to each of said plurality of antenna elements, wherein said driver circuitry comprises a plurality of transceivers; and

configuring said plurality of transceivers to provide independently adjustable phase delay to each of said plurality of antenna elements, wherein said system is configured to operate in a millimeter wave frequency range.

7. The method of claim 6 , wherein said beam pattern directed angle of each of said plurality of antenna elements is approximately 45 degrees.

8. The method of claim 6 , wherein said ground plane is parallel to said plane of said planar array.

9. The method of claim 6 , further comprising implementing phased array beam scanning by controlling said adjustable phase delay to each of said plurality of antennas.

10. The method of claim 6 wherein said beam pattern directed at an angle out of the plane of said planar array extends a directionality of Radio Frequency (RF) spatial coverage.

11. An apparatus, comprising:

a phased array antenna comprising a plurality of antenna elements, said plurality of antenna elements configured in a planar array, wherein each of said plurality of antenna elements is a rectangular slot loop antenna that includes a ground plane and comprises a front edge element, a rear edge element and a signal delay element coupled between said front edge element and said rear edge element, said signal delay element configured to cause a respective one of said plurality of antenna elements to generate a beam pattern directed at an angle out of the plane of said planar array; and

driver circuitry coupled to each of said plurality of antenna elements, wherein said driver circuitry comprises a plurality of transceivers, said plurality of transceivers configured to provide independently adjustable phase delay to each of said plurality of antenna elements, wherein said system is configured to operate in a millimeter wave frequency range.

12. The apparatus of claim 11 , wherein said beam pattern directed angle of each of said plurality of antenna elements is approximately 45 degrees.

13. The apparatus of claim 11 , wherein said ground plane is parallel to said plane of said planar array.

14. The apparatus of claim 11 , wherein said plurality of transceivers implement phased array beam scanning by controlling said adjustable phase delay to each of said plurality of antennas.

15. The apparatus of claim 11 wherein said beam pattern directed at an angle out of the plane of said planar array extends a directionality of Radio Frequency (RF) spatial coverage.

Continuity (2)
Provisional Application 61452754 · Mar 15, 2011
Related Publication 20140145879A1 · May 29, 2014